/*
 * Alloy Analyzer
 * Copyright (c) 2002 Massachusetts Institute of Technology
 *
 * The Alloy Analyzer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The Alloy Analyzer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Alloy Analyzer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package alloy.util;


/**
 * Helps write debugging prints for tree-valued structures
 * by providing proper indentation.
 */
public class Indenter {
    private int _curIndentLevel;

    public void indent() { _curIndentLevel+=2; }
    public void unindent() { _curIndentLevel-=2; }
    public void println(String s_) {
   	for (int i=0; i<_curIndentLevel; i++)
   	    System.out.print(' ');
   	System.out.println(s_);
    }
}


    
